Why risking '1% per trade' is actually way riskier than gurus tell you?

If you have a $100,000 account, risking 1% sounds safe—that’s $1,000, right? But prop firms kick you out if you lose $5,000 in a single day. That means your actual daily budget isn't $100k—it's $5,000. So risking $1,000 is actually spending 20% of your daily allowance on ONE trade! How much of your real daily budget do you actually risk at once?